July weather forecast
Jaco, Costa Rica

July in Jaco, Costa Rica witnesses a plateauing of weather conditions, with temperatures, rainfall and humidity all seeing minor variations. The weather maintains a wet season pattern, often characterized by morning sunshine followed by afternoon rains. The seas sustain their constant warm temperatures, offering great conditions for water-based activities. Despite the wetness, the sun still manages to shine for an impressive number of hours a day. Wind speeds remain mild, making the weather conditions manageable.

Temperature

Jaco's July showcases an average high-temperature of a still moderately hot 28.7°C (83.7°F), hardly distinct from June's 28.8°C (83.8°F). Jaco reports an average low-temperature of 25.4°C (77.7°F) during the subtly cooler July nights.

Heat index

July's average heat index is estimated at a hot 34°C (93.2°F). Heightened safety actions are necessary, heat cramps and heat exhaustion are probable. Persistent activity may lead to heatstroke.
Evaluating the heat index requires understanding its values in the shade and with gentle winds. An exposure to direct sunlight may lift the heat index values by 15 Fahrenheit (8 Celsius) degrees.
Note: The heat index, also known as 'apparent temperature' or 'real feel', is a calculation that merges air temperature and relative humidity to depict the sensation of warmth. This effect is personal, shaped by the individual's physical activity and heat sensitivity, influenced by factors including wind, clothing, and metabolic variances. Be aware that direct exposure to sunlight increases heat impact and may raise the heat index by up to 15 Fahrenheit (8 Celsius) degrees. Heat index values are particularly meaningful for babies and toddlers. Kids generally face higher risks than adults as they sweat less. Along with their large skin surface compared to their small bodies and higher heat production due to their activities, their vulnerability is increased.

Humidity

In Jaco, the average relative humidity in July is 79%.

Rainfall

In Jaco, in July, during 24.3 rainfall days, 167mm (6.57") of precipitation is typically accumulated. Throughout the year, there are 236.2 rainfall days, and 1501mm (59.09") of precipitation is accumulated.

Sea temperature

In Jaco, the average seawater temperature in July is 28.8°C (83.8°F).
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

In July, the average length of the day is 12h and 37min.
On the first day of the month, sunrise is at 05:22 and sunset at 18:02. On the last day of July, in Jaco, sunrise is at 05:28 and sunset at 18:01 CST.

Sunshine

The month with the most sunshine is July, with an average of 10.1h of sunshine.

UV index

January through December, with an average maximum UV index of 7, are months with the highest UV index in Jaco. January through December, with an average maximum UV index of 7, are months with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health hazard from unprotected exposure to Sun's UV rays for average individuals.
Note: The UV index of 7 during July translates into the following guidance:
Shun overexposure. Protection from sun ravages is indispensable. Be aware that the sun's UV radiation is strongest between 10 a.m. and 4 p.m. and try to reduce direct sun exposure during this period as much as possible. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Caution! The Sun's UV rays become stronger due to reflections from water and sand.